题目内容
薄荷挥发油中主要成分的结构类型是
2021-12-11
A.单环单箱
B.环烯醚萜
C.倍半萜
D.二萜
E.三莊
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29381' and id < 2393205 and id<>'2393205' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29381' and id > 2393205 and id<>'2393205' order by id asc limit 5